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<p>A request is the act or instance of asking for something, such as a request for information, bid submission, or performance of work.</p> 
 
<p>Requests may take many forms depending on the need including fault reports for maintenance, requests for small works, and purchase requests (where these are to be made through a help desk or buying function).</p> 
 
<blockquote class="history">
HISTORY&nbsp; New entity in IFC2x2.
</blockquote> 

<blockquote class="change-ifc2x4">
IFC4 CHANGE&nbsp; Atribute <em>RequestID</em> renamed to <em>Identification</em> and promoted to supertype <em>IfcControl</em>, attributes <em>PredefinedType</em>, <em>Status</em>, and <em>LongDescription</em> added.
</blockquote>
  